Deputies: Lancaster teen shoots, kills girlfriend after argument

A Lancaster teen is dead — and police say her boyfriend was the man behind the gun that killed her. Just after 10 p.m. Tuesday, Sheriff’s Deputies said Sierra Landry, 18, was shot and killed outside a home off John Everall Road.

Investigators quickly determined Landry’s boyfriend Tanner Crolley, 18, of S. Potter Road was the suspect. After a three-hour search, deputies found Crolley near the intersection of John Everall Road and S.C. 200 and he was later arrested.

Crolley remains in jail at the Lancaster County Detention Center.

Investigators say the two were arguing outside the home — and that’s when Crolley shot Landry.

“First and foremost, Our thoughts, prayers, and deepest condolences go out to the family of the Ms. Landry. This was a tragic loss of such a young life,” Lancaster County Sheriff Barry Faile said. “We are satisfied that we were able to resolve the case quickly and bring the suspect into custody before he was able to cause any more harm.”